
public class practice3_1 {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		int ken = 10, yoo=-20, boo;
		boo=-yoo;
		System.out.println("***** result *****");
		System.out.println("ken = " + ken + "," +
							"yoo = " + yoo + ","+
							"boo = " + boo);
		System.out.println("++ken = " + (++ken) + ", ken = " + ken);
		System.out.println("ken++ = " + (ken++) + ", ken = "+ ken);
		System.out.println("--boo = " + (--boo) + ", boo = " + boo);
		System.out.println("boo-- = " + (boo--) + ", boo = " + boo);
	}

}
